CN220248896U - External pulling type central parking brake - Google Patents
External pulling type central parking brake Download PDFInfo
- Publication number
- CN220248896U CN220248896U CN202321842975.XU CN202321842975U CN220248896U CN 220248896 U CN220248896 U CN 220248896U CN 202321842975 U CN202321842975 U CN 202321842975U CN 220248896 U CN220248896 U CN 220248896U
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- Prior art keywords
- brake
- pull rod
- fixedly connected
- shoe
- spring
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses an external pulling type central parking brake, which comprises a brake bottom plate, wherein one end of the brake bottom plate is provided with a brake drum, the brake bottom plate is fixedly connected with the brake drum, one side of the brake bottom plate is arranged in a convex manner, two brake shoes are arranged on the brake bottom plate, one end of the brake bottom plate is provided with an external pull rod, one end of the external pull rod is provided with an external pull rod fixing pin, the external pull rod fixing pin is rotationally connected with the brake bottom plate, and one end of the brake bottom plate, which is far away from the external pull rod, is provided with an adjusting mechanism.
Description
Technical Field
The utility model relates to the technical field of anti-slip type external pulling type braking, in particular to an external pulling type central parking brake.
Background
A central parking brake assembly including a brake operating mechanism, a grooved brake drum, a brake shoe assembly, a brake backing plate, and a brake drive mechanism; wherein the brake shoe assembly and the brake driving mechanism are both mounted on the base plate and positioned in the grooved brake drum; the brake operating mechanism controls the driving mechanism to drive the brake shoe assembly; the brake shoe assembly comprises a brake shoe, a locking piece and a return spring; the locking piece is matched with the brake piece and is fixedly connected to the brake shoe; the brake shoe is connected with the brake bottom plate through a pin, so that the brake shoe can rotate around the pin; and two ends of the return spring are respectively connected with the brake shoe and the brake bottom plate.
At present, the installation surface of the brake bottom plate is of a concave design, and the concave design also can enable braking force to be unevenly distributed under the conditions of non-adaptation and the like in the assembly of a novel axle, so that the braking effect and safety performance are reduced, dust and dirt are easy to accumulate, and the abrasion and failure rate of a braking system are increased.
It is therefore desirable to provide a pull-out type central parking brake that addresses the above-described issues.
Disclosure of Invention
The utility model aims to solve the technical problems that the installation surfaces of the prior brake bottom plates are all of concave designs, and the assembly of a novel axle is not adapted and the like.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a central parking brake of external pulling type, including the brake bottom plate, brake bottom plate one end is provided with the brake drum, brake bottom plate and brake drum fixed connection, brake bottom plate one side is the evagination setting, be provided with two brake shoe on the brake bottom plate, brake bottom plate one end is provided with the external pulling rod, external pulling rod one end is provided with the external pulling rod fixed pin, the external pulling rod fixed pin rotates with the brake bottom plate to be connected, brake bottom plate keeps away from external pulling rod one end and is provided with guiding mechanism.
Through the technical scheme, the concave type brake bottom plate is changed into the convex type brake bottom plate, the operation of the brake operating mechanism is optimized according to the convex type brake bottom plate, the installation surface of the convex type brake bottom plate enables the assembly not to interfere with an axle, and the brake bottom plate is suitable for most vehicle types.
The utility model is further provided with: the two brake shoes are respectively arranged on two sides of the brake bottom plate, the brake shoes are symmetrically arranged left and right, the outer sides of the two brake shoes are fixedly connected with friction plates, and the friction plates are made of metal steel materials.
Through the technical scheme, the brake shoe can drive the two friction plates to contact with the brake drum to generate friction force, so that the parking effect is achieved.
The utility model is further provided with: the two brake shoes are symmetrically provided with pull rods, the pull rods are fixedly connected with pressure spring seats, the pressure spring seats are sleeved with pressure springs, and the pressure spring seats are fixedly connected with the brake shoes.
The utility model is further provided with: the outer pull rod is fixedly connected with an outer pull rod fixing pin, one side of the outer pull rod is fixedly connected with a pull rod limiting plate, an outer pull rod spring is arranged on the upper surface of the pull rod limiting plate, and two ends of the outer pull rod spring are respectively fixedly connected with the pull rod limiting plate and the outer pull rod.
Through the technical scheme, the outer pull rod drives the pull rod fixing pin to rotate, so that the pull rod fixing pin drives the brake shoe to move outwards.
The utility model is further provided with: the outer pull rod fixing pin is provided with supporting seat and lower supporting seat respectively far away from outer pull rod one end, it is provided with spacing gasket to go up the supporting seat top, it is provided with spacing gasket to go up the supporting seat below, go up supporting seat and lower supporting seat through two fixed pins and brake shoe fixed connection.
The utility model is further provided with: the adjusting mechanism comprises an adjusting screw, an adjusting gear and a limiting pin, one end of the adjusting gear is rotationally connected with the adjusting screw, and one end, far away from the adjusting screw, of the adjusting gear is fixedly connected with the limiting pin.
Through the technical scheme, the adjusting mechanism can manually adjust the gap between the friction plate and the brake drum in the vehicle braking system, so that the effectiveness and consistency of the brake are ensured, the braking distance can be reduced, and the abrasion and the fault risk during braking are reduced.
The utility model is further provided with: the brake shoe is characterized in that one end, close to the adjusting screw, of the brake shoe is provided with an adjusting mechanism fixing spring, two ends of the adjusting mechanism fixing spring are fixedly connected with two brake shoes respectively, a first shoe tension spring and a second shoe tension spring are fixedly connected to the two brake shoes respectively, and one ends, far away from the brake shoes, of the first shoe tension spring and the second shoe tension spring are fixedly connected with two fixing pins respectively.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the outer pull rod is adopted, the outer pull rod drives the pull rod fixing pin to rotate, so that the fixing pin drives the two friction plates to contact with the brake drum to generate friction force, thereby playing a role in parking, the inward concave of the brake bottom plate is changed into the outward convex type, the brake operating mechanism is operated and optimized according to the outward convex type, and the installation surface of the outward convex type bottom plate enables the assembly not to interfere with an axle, so that the brake is suitable for most vehicle types;
2. according to the utility model, based on the existing anti-slip central parking brake assembly, parking brakes with different shapes are adapted to the conditions of different axles, and the central parking brake assembly which can be universally adapted to most axles is optimized.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an internal block diagram of the present utility model;
fig. 3 is a side view of the internal structure of the present utility model.
In the figure: 1. a brake drum; 11. a brake pad; 2. an outer tie rod; 21. a pull rod limiting plate; 22. an outer tie rod spring; 23. an outer tie rod fixing pin; 3. brake shoes; 31. a friction plate; 4. a pull rod; 41. a pressure spring seat; 42. a pressure spring; 5. an adjusting screw; 51. an adjusting gear; 52. a limiting pin; 53. the adjusting mechanism is used for fixing the spring; 54. an adjusting mechanism; 6. a limiting gasket; 61. an upper support base; 62. a lower support base; 63. a fixing pin; 7. a first shoe extension spring; 71. and a second shoe tension spring.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1, 2 and 3, an external pulling type central parking brake comprises a brake bottom plate 11, wherein one end of the brake bottom plate 11 is provided with a brake drum 1, the brake bottom plate 11 is fixedly connected with the brake drum 1, one side of the brake bottom plate 11 is arranged in a protruding mode, two brake shoes 3 are arranged on the brake bottom plate 11, one end of the brake bottom plate 11 is provided with an external pulling rod 2, one end of the external pulling rod 2 is provided with an external pulling rod fixing pin 23, the external pulling rod fixing pin 23 is rotationally connected with the brake bottom plate 11, one end of the brake bottom plate 11 far away from the external pulling rod 2 is provided with an adjusting mechanism 54, so that the concave mode of the brake bottom plate is changed into the protruding mode, an operation of the brake operating mechanism is optimized according to the protruding mode, and the protruding mode of the installation surface of the bottom plate enables the assembly not to interfere with an axle, and the brake bottom plate is suitable for most vehicle types.
The two brake shoes 3 are respectively arranged at two sides of the brake bottom plate 11, the brake shoes 3 are symmetrically arranged left and right, the friction plates 31 are fixedly connected to the outer sides of the two brake shoes 3, and the friction plates 31 are made of metal steel, so that the brake shoes 3 can drive the two friction plates 31 to contact with the brake drum 1 to generate friction force, and the parking effect is achieved.
The two brake shoes 3 are symmetrically provided with pull rods 4, the pull rods 4 are fixedly connected with a pressure spring seat 41, the pressure spring seat 41 is sleeved with a pressure spring 42, and the pressure spring seat 41 is fixedly connected with the brake shoes 3.
The outer pull rod 2 is fixedly connected with the outer pull rod fixing pin 23, one side of the outer pull rod 2 is fixedly connected with the pull rod limiting plate 21, the outer pull rod spring 22 is arranged on the upper surface of the pull rod limiting plate 21, and two ends of the outer pull rod spring 22 are respectively fixedly connected with the pull rod limiting plate 21 and the outer pull rod 2, so that the outer pull rod 2 drives the pull rod fixing pin 23 to rotate through driving the pull rod fixing pin 23, and the pull rod fixing pin 23 drives the brake shoe 3 to move outwards.
The outer pull rod fixing pin 23 is provided with an upper supporting seat 61 and a lower supporting seat 62 respectively at one end far away from the outer pull rod 2, a limiting gasket 6 is arranged above the upper supporting seat 61, a limiting gasket 6 is arranged below the upper supporting seat 61, and the upper supporting seat 61 and the lower supporting seat 62 are fixedly connected with the brake shoe 3 through two fixing pins 63.
The adjustment mechanism 54 includes the adjusting screw 5, adjusting gear 51 and spacer pin 52, and adjusting gear 51 one end is connected with adjusting screw 5 rotation, and adjusting gear 51 keeps away from adjusting screw 5 one end and spacer pin 52 fixed connection for the clearance between friction disc 31 and the brake drum 1 in the adjustment mechanism 54 can manual adjustment vehicle braking system, ensures the validity and the uniformity of stopper, and this can reduce the braking distance to wearing and tearing and the fault risk when reducing the braking.
The brake shoe 3 is provided with adjustment mechanism fixed spring 53 near adjusting screw 5 one end, and adjustment mechanism fixed spring 53 both ends are respectively with two brake shoes 3 fixed connection, are connected with first shoe extension spring 7 and second shoe extension spring 71 on two brake shoes 3 respectively fixedly, and first shoe extension spring 7 and second shoe extension spring 71 keep away from brake shoe 3 one end and are connected with two fixed pin 63 respectively fixedly.
When the brake device is used, the outer pull rod 2 is adopted, the outer pull rod 2 drives the pull rod fixing pin 23 to rotate, so that the pull rod fixing pin 23 drives the brake shoe 3 to move outwards, the brake shoe 3 drives the two friction plates 31 to contact the brake drum 1 to generate friction force, the parking effect is achieved, and after braking is finished, the outer pull rod spring 22 on the pull rod limiting plate 21 drives the outer pull rod 2 to restore to the original position.
According to the brake, based on the existing anti-slip central parking brake assembly, parking brakes with different shapes are adapted to the conditions of different axles, and the central parking brake assembly which can be universally adapted to most axles is optimized.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.
Claims (7)
1. A pull-out central parking brake comprising a brake pad (11), characterized in that: brake pad (11) one end is provided with brake drum (1), brake pad (11) and brake drum (1) fixed connection, brake pad (11) one side is the evagination setting, be provided with two brake shoe (3) on brake pad (11), brake pad (11) one end is provided with outer pull rod (2), outer pull rod (2) one end is provided with outer pull rod fixed pin (23), outer pull rod fixed pin (23) are connected with brake pad (11) rotation, brake pad (11) are kept away from outer pull rod (2) one end and are provided with guiding mechanism (54).
2. A pull-out center parking brake according to claim 1, wherein: the two brake shoes (3) are respectively arranged at two sides of the brake bottom plate (11), the brake shoes (3) are symmetrically arranged left and right, the outer sides of the two brake shoes (3) are fixedly connected with friction plates (31), and the friction plates (31) are made of metal steel materials.
3. A pull-out center parking brake according to claim 1, wherein: two braking shoes (3) are symmetrically provided with pull rods (4), a pressure spring seat (41) is fixedly connected to the pull rods (4), a pressure spring (42) is sleeved on the pressure spring seat (41), and the pressure spring seat (41) is fixedly connected with the braking shoes (3).
4. A pull-out center parking brake according to claim 1, wherein: the outer pull rod (2) is fixedly connected with an outer pull rod fixing pin (23), one side of the outer pull rod (2) is fixedly connected with a pull rod limiting plate (21), an outer pull rod spring (22) is arranged on the upper surface of the pull rod limiting plate (21), and two ends of the outer pull rod spring (22) are fixedly connected with the pull rod limiting plate (21) and the outer pull rod (2) respectively.
5. A pull-out center parking brake according to claim 1, wherein: the outer pull rod fixing pin (23) is provided with an upper supporting seat (61) and a lower supporting seat (62) respectively far away from one end of the outer pull rod (2), a limiting gasket (6) is arranged above the upper supporting seat (61), a limiting gasket (6) is arranged below the upper supporting seat (61), and the upper supporting seat (61) and the lower supporting seat (62) are fixedly connected with the brake shoe (3) through two fixing pins (63).
6. A pull-out center parking brake according to claim 1, wherein: the adjusting mechanism (54) comprises an adjusting screw (5), an adjusting gear (51) and a limiting pin (52), one end of the adjusting gear (51) is rotationally connected with the adjusting screw (5), and one end, far away from the adjusting screw (5), of the adjusting gear (51) is fixedly connected with the limiting pin (52).
7. A pull-out center parking brake according to claim 1, wherein: the brake shoe is characterized in that an adjusting mechanism fixing spring (53) is arranged at one end, close to the adjusting screw (5), of each brake shoe (3), two ends of each adjusting mechanism fixing spring (53) are fixedly connected with two brake shoes (3) respectively, a first shoe tension spring (7) and a second shoe tension spring (71) are fixedly connected to each brake shoe (3) respectively, and one ends, far away from the brake shoes (3), of each first shoe tension spring (7) and each second shoe tension spring (71) are fixedly connected with two fixing pins (63) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321842975.XU CN220248896U (en) | 2023-07-13 | 2023-07-13 | External pulling type central parking brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321842975.XU CN220248896U (en) | 2023-07-13 | 2023-07-13 | External pulling type central parking brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248896U true CN220248896U (en) | 2023-12-26 |
Family
ID=89270786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321842975.XU Active CN220248896U (en) | 2023-07-13 | 2023-07-13 | External pulling type central parking brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248896U (en) |
-
2023
- 2023-07-13 CN CN202321842975.XU patent/CN220248896U/en active Active
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